How did the invention of the daguerreotype process in 1839 revolutionize the field of photography, and what impact did it have on the documentation of historical events in the 19th century?
In what ways did photographers during the American Civil War, such as Mathew Brady and Alexander Gardner, influence public perception of the war and its realities through their photographic work?
How did the introduction of Kodak's first commercial roll-film camera in 1888 democratize photography, and what effect did this have on the preservation of everyday life in historical archives?
What role did photography play in the social reform movements of the late 19th and early 20th centuries, particularly with regard to the work of figures like Jacob Riis and Lewis Hine in exposing s...
How have historical photographs been used as primary sources in academic research, and what challenges do historians face when interpreting these images in the context of their time?